On Thu, 27 May 2004, Gregory Gulik wrote:

> Finally got the kernel re-built with debugging..
> Attached is the dmesg output after I plugged in the 256M SD card that 
> comes up on /dev/sdd.
> 
> Once again any attempt to access the card hangs the command and is 
> impossible to kill without a reboot.
> 
> To summarize, I do have "options scsi_mod max_luns=16" in my 
> modprobe.conf and I tried to enclose /proc/bus/usb/devices but any 
> attempts to view that hang as well.

Are you using a USB controller by VIA Technologies?  If you are, this 
patch may help a little:

http://marc.theaimsgroup.com/?l=linux-usb-devel&m=108516625726685&q=raw

Your log shows the card reader responding in an illegal fashion, which 
kills VIA controllers.  That would explain why you have to reboot.

Alan Stern




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